ul{
     list-style-type: none;
     margin:0px;
     padding:0px;
     background-color: chocolate;
     width:400px;
     text-align: center;
 }
a:link,a:visited{
    text-decoration: none;
    font-weight:bolder;
    background-color: burlywood;
    color:floralwhite;
    width:50px;
    text-align:center;
}
a:active,a:hover{
    background-color:chartreuse;
}
li{
    display:inline;
    padding:3px;
    padding-left:5px;
    padding-right:5px;
}